advanced builder

My Zstrut ,didn' t blow up in my face. The hull ran good, my engine didn't the flywheel came lose , done for the day The older cat ran good. The mount didn't loosen up, a good fix. My .21 Zippkit Rigger ran strong, 51mph Joe said I can get it up into the 60ides , I did get to play with some pipes, until the ziptie came loose , The Pond God GOT ME.
MY AB parabolic pipe she is down-under.

amax

Old Man Murphy was all over your butt this weekend wasn't He.[:@][:'(][][:-] That Sucks!!

advanced builder

I did get to run your amax 3 blade prop. Every one said I was under proped . I want to run soon. We race this weekend. I took the remote needle off my .21 rigger for testing on the Zoom carb/CMB combo. Nothing special as far as running. More testing is needed. First time out on the CMB / used engine . new to me. We did kick up some rust on the start-up. I need to keep a eye on the bearing. I will change the radio/ receiver on the .12 zip rigger. The old Picco P5 ran like a bear.

amax

what boat\engine did you run the prop on?

advanced builder

I ran your 3 blade X 437 prop.
I ran the Zoom carb CMB .21 OPS pipe. 50 % nitro on the Zstrutt the new cat MM18 also my cat -alack

amax

LOL,, yea that prop is a bit small for a .21, you should be running somewhere between 40mm and 45mm, not a 37mm. That's a prop for a strong .18.

advanced builder

I just looked @my miss Jada 18 Go
your 2 blade ZIPP X440 is on that, My mistake I'll switch I also have 2blade,1945 ,1440 ,1455, ABC h4 ABC m7 a X438
THE 1945 looks like a .45 prop

advanced builder

The Zstrutt experiment is still a experiment. I need to drop the prop down, got a lot of wash no bite (prop wise). The Zstrutt was even with the bottom of the hull. I did use the new cooper Short 21S pipe( short ) I had a problem with it holding on to the exhaust coupler. notice that ring not good
Amax your 3 blade prop was probable OK Strut depth is way off.

amax

You Need A Bigger Prop For A .21 the X437\3 is a 37mm prop, you need a 40mm to 45mm prop for a good .21

advanced builder

I have a 440 prop, on now

amax

Correction my statement above should have said 40mm to 50mm.

I would try the M445, M447, X448, X450. The 440 is a 40mm prop which is the Minimum you should run. If the Small prop is Slipping, Go Bigger. Personally I would Try all the props I could with a set up before doing reconstruction changing the set up to accommodate the Smallest Prop recommended for a .21

advanced builder

That new Cooper pipe is way too loud, got some zip to her she ran OK until my exhaust coupler kept coming off .I need a metal clamp on the tapered pipe . more testing is needed Some props need testing 50 mm that's BIG
let me play

amax

Yea the 50mm would be for somthing lighter like a rigger.

advanced builder

I dropped my Zstrut down. as much as I could. I re drilled a new set of holes in my strut. I am setting down the older cat,too many to handle. Prop wise 1440
I like the CMB engine the small header is on the new Cooper pipe. .Ready to test

ondacomup76

My Feedback: (1)

Ready for videos, lol. I ordered the final items for my cat, should get here today or tomorrow. Haven't been able to get a .21 to put in her as yet. Toying with the idea of putting her in the water with the original .18 just for a fix or dropping one of my car engines in. I might be able to run this weekend as well. Good luck.

advanced builder

amax her she is kinda large that pipe, Na The pipe is a cooper gas quiet pipe. I started my gas Zippkit EasyVee . The build base is 4'x1' The build is like the title easy.
The parts are cut like always very close. knock off the fuzz,little sanding good to CA

toyotatruckin

cooper gas pipe, where?

advanced builder

Sorry TT It's a MAC on sale http://www.funrcboats.com/ProductInf...ductid=MAC1399

advanced builder

got my Mac 1322 Super Quiet, She did fit ,I am bring both pipes to test

Blackout

Looks good having the exhaust exit the transom!

advanced builder

We did a start-up on the CMB ,had to CK that pipe. She is quiet. When I did a after run oil. She spit up rusty- lookin oil . I may need some new bearings. I will bring my Picco P5 with me next weeks race. We test Sunday. and we lost the heat/ humidity. Thanks Ron for sending that nice weather my way. I got alot done today. The new build got worked on, SEALED I had some old HobbyPox clear. still good after all these years. The cans were unopened . I my add another lite coat. 1/2 the Fiberglass is down.

advanced builder

My CMB .21 ,Got a problem with bearings. I knew it .She didn't run back to my Picco P5 with the Zstrut MM
the .21 Nova Rossi rigger was hookin up . I lost reception on the .12rigger hit the bank Hard. WE GOT A BULL NOSE ,but ok
Snapped my homemade wire pipe holder We all had a good day running

Blackout

Sorry to hear about your .12 rigger. Do you know why you lost reception?

advanced builder

Blackout , yes I know why I lost my reception. I changed my radio, back to, old style receiver. My antenna was not out fully . The newer futaba receiver has a short antenna, which is going back in the .12 .If I had changed my plastic tube I would be OK LOL my fault

advanced builder

My Zoom carb doesn't fit my Picco P5 The other aftermarket carb is too big unless I cap it off (remove the needle) and run a remote needle . or order new bearings. LOL[&o]